add Python 3.3 compatibility
Merge pull request #6 from NicolasGeraud/python33-compatibility

add Python 3.3 compatibility
fix imports for python 2.x
cleaned up print statement
cleanup print statements
Add wiki support through “—with-wiki” option.
Merge pull request #7 from ddebin/master

Add wiki support through “—with-wiki” option.
Thanks for the contribution @ddebin !!!
Use os.path.isdir instead of os.path.exists.
Bugfix when printing json response with non ascii chars.
Merge pull request #8 from ddebin/master

Various bugfixes. Thanks @ddebin
backup all repositories, not just the ones owned by the user
Update README.md
separate directory for per owner
Merge branch 'master' of https://github.com/TigerZhang/bitbucket-backup

Conflicts:
	backup.py